10.80V,5200mAh,Li-ion,Hi-quality Replacement Laptop Battery for HP 4410t Mobile Thin Client, ProBook 4410s, ProBook 4411s, ProBook 4415s, ProBook 4416s, Compatible Part Numbers: 513128-251, 513128-361, 535806-001, HSTNN-DB90, HSTNN-XB90, NZ374AA Battery Type: 6 Cells Li-ion Capacity: 10.8V 5200mAh Color: Black Weight: 13oz Using highest quality materials including grade-A brand-new cells Meets and exceeds OEM specifications and lasts longer hours Package Includes: One unit of brand-new replacement laptop battery for HP This product is CE & RoHS certified, so BUY WITH CONFIDENCE